1. break up with 和某人分手 或 be through with / be finished with
（1）Jill told Jack that she wanted to break up with him.
（2）I'm through with him; I never want to see him again.
2. bring about 使…发生
（1）We are working to bring about closer political integration in the EU.
（2）They conspired to bring about the meeting of the two people.
3. bring someone up to date 帮某人赶上 或 help someone catch up
（1）Please bring me up to date on the fuel requirement.
（2）My teachers all told me they would help me catch up with work.
4. by accident 偶然
（1）Many a bright idea has been hit on by accident.
（2）He sliced ( into ) his fingers by accident when cutting vegetables.
5. by air 通过航空途径
（1）The transportation of goods by air costs a lot.
（2）He was the first man to navigate the Atlantic by air.