1 to leave

2 to bid farewell to

3 to say good-bye to

1 tell-tale

2 informer (esp. to police)

3 whistleblower

4 grass

1 to press charges

2 to file a complaint

1 to inform

2 to report

3 to make known

4 report

5 speech

6 talk

7 lecture

8 classifier: 篇 piān

9 classifier: 份 fèn

10 classifier: 个 gè

11 classifier: 通 tòng

1 to advertise

2 a commercial

3 advertisement

4 classifier: 项 xiàng

1 not knowing when to come or leave (idiom); with no sense of propriety

1 begging for pity and asking for help (idiom)

1 to come to the end of a phase (idiom)

1 to bring tribute as sign of submission (idiom); to submit

1 to spread the news (idiom)