1. (informal) to take a photograph 拍照
e.g. She snapped a picture of me and Sonia.
她拍了一張我和Sonia的合照。

2. to break with a sudden sharp noise 折斷，斷裂，崩斷
e.g. The wind snapped branches and power lines.
大風讓樹枝和電線都折斷了。
snap (something) in two/in half
e.g. The teacher snapped the chalk in two and gave me a piece.
老師把粉筆折斷成兩截，給了我一半。

3. to say something quickly in an angry way
e.g. "What do you want!?!??!" She snapped.
“你到底想怎么樣？？”她怒吼道。
"Don't just stand there!" She snapped.
“別光傻站著啊！”她怒斥。
snap at sb
e.g. He snapped at Jasper for no reason.
他無緣無故地朝Jasper兇！沒好氣地說話。

4. to suddenly stop being able to control your anger, anxiety, or other feelings in a difficult situation 情緒失控，崩潰，忍不住了
e.g. My patience finally snapped.
我的耐心一下就沒了。突然暴躁。
The stress began to get to her, and one morning she just snapped.
壓力太大了，然后一天早上她突然就控制不住了，情緒失控了。

5. snap my fingers 打響指

6. Oh snap! 感嘆詞，Oh shit! 較委婉的說法

7. Snap out of it: 指擺脫某種不好的狀態(tài)，振作起來。
e.g. Come on, snap out of it. It's not big deal.
振作起來！沒什么大不了的！
Come on, snap out of it! Losing that money isn't the end of the world.
振作起來！丟了那點錢又不是世界末日！
Snap out of it! There is plenty more fish in the sea!
振作起來！天涯何處無芳草！