close in
phrasal verbclose in
- when the days close in, they become gradually shorter during the autumn
（秋季白天）逐渐变短 - if the weather closes in, it gets worse
（天气）变坏 - when the night closes in, it gets darker
（夜色）加浓；（夜幕）降临 - They huddled around the fire as the night closed in.
夜幕降临的时候，他们聚拢在炉火旁。
- They huddled around the fire as the night closed in.
close in (on somebody/something)
- to move nearer to somebody/something, especially in order to attack them
（尤指为了进攻）逼近，靠近 - The lions closed in on their prey.
狮子逼近它们的猎物。
- The lions closed in on their prey.