depend upon

phrasal verb

depend on/upon somebody/something

to rely on somebody/something and be able to trust them依靠；信赖
- He was the sort of person you could depend on.他这个人你是可以信赖的。
- depend on/upon somebody/something to do something He knew he could depend upon her to deal with the situation.他知道可以依靠她来应付这种局面。
to be sure or expect that something will happen确信；相信；指望 synonym count on somebody/something
- Depend upon it (= you can be sure) we won't give up.请相信，我们决不会放弃。
- depend on/upon somebody/something doing something Can we depend on you coming in on Sunday?我们能指望你星期天来参加吗？
- (formal) You can depend on his coming in on Sunday.你放心，他星期天一定来参加。
depend on/upon somebody/something to do something
- (ironic) You can depend on her to be (= she always is) late.她保准迟到。
Topics Doubt, guessing and certaintya2

depend on/upon somebody/something (for something)

(not usually used in the progressive tenses通常不用于进行时) to need money, help, etc. from somebody/something else for a particular purpose需要，依靠（提供资金、帮助等）
- The community depends on the shipping industry for its survival.这个社区靠航运业维持生活。
- I don't want to depend too much on my parents.我不想过度依靠父母。

depend on/upon something

(not used in the progressive tenses不用于进行时) to be affected or decided by something受…的影响；由…决定；取决于
- Does the quality of teaching depend on class size?教学质量取决于每个班的人数吗？
- It would depend on the circumstances.这要视情况而定。
- depend on/upon how, what, etc… Whether we need more food depends on how many people turn up.我们是否需要更多的食物，这要视到场人数而定。
Grammar Point depend on
depend on
- In informal English, it is quite common to say depend rather than depend on before words like what, how or whether:在非正式英语中，在 what、how 或 whether 等词前常用 depend 而非 depend on：
  It depends what you mean by ‘hostile’.那得看你所说的 hostile 的含义。
  In formal written English, depend should always be followed by on or upon:在正式的书面英语中，depend 后总是跟 on 或 upon：
  It depends on how you define the term ‘hostile’.那得看你怎么定义 hostile 这个词。
  Upon is more formal and less frequent than on.
- The future of the company will depend crucially on how consumers respond.这家公司的未来如何，消费者的反应是至关重要的。
- The outcome seems to depend on the type of soil used.结果似乎取决于所用土壤的种类。
- Whether or not we can go ultimately depends on the weather.我们是否能去最终取决于天气。

词汇	depend upon
释义	depend upon phrasal verb depend on/upon somebody/something to rely on somebody/something and be able to trust them依靠；信赖 He was the sort of person you could depend on.他这个人你是可以信赖的。 depend on/upon somebody/something to do something He knew he could depend upon her to deal with the situation.他知道可以依靠她来应付这种局面。 to be sure or expect that something will happen确信；相信；指望 synonym count on somebody/something Depend upon it (= you can be sure) we won't give up.请相信，我们决不会放弃。 depend on/upon somebody/something doing something Can we depend on you coming in on Sunday?我们能指望你星期天来参加吗？ (formal) You can depend on his coming in on Sunday.你放心，他星期天一定来参加。 depend on/upon somebody/something to do something (ironic) You can depend on her to be (= she always is) late.她保准迟到。 Topics Doubt, guessing and certaintya2 depend on/upon somebody/something (for something) (not usually used in the progressive tenses通常不用于进行时) to need money, help, etc. from somebody/something else for a particular purpose需要，依靠（提供资金、帮助等） The community depends on the shipping industry for its survival.这个社区靠航运业维持生活。 I don't want to depend too much on my parents.我不想过度依靠父母。 depend on/upon something (not used in the progressive tenses不用于进行时) to be affected or decided by something受…的影响；由…决定；取决于 Does the quality of teaching depend on class size?教学质量取决于每个班的人数吗？ It would depend on the circumstances.这要视情况而定。 depend on/upon how, what, etc… Whether we need more food depends on how many people turn up.我们是否需要更多的食物，这要视到场人数而定。 Grammar Point depend ondepend on In informal English, it is quite common to say depend rather than depend on before words like what, how or whether:在非正式英语中，在 what、how 或 whether 等词前常用 depend 而非 depend on： It depends what you mean by ‘hostile’.那得看你所说的 hostile 的含义。 In formal written English, depend should always be followed by on or upon:在正式的书面英语中，depend 后总是跟 on 或 upon： It depends on how you define the term ‘hostile’.那得看你怎么定义 hostile 这个词。 Upon is more formal and less frequent than on. The future of the company will depend crucially on how consumers respond.这家公司的未来如何，消费者的反应是至关重要的。 The outcome seems to depend on the type of soil used.结果似乎取决于所用土壤的种类。 Whether or not we can go ultimately depends on the weather.我们是否能去最终取决于天气。
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