名詞 come on:

1. anything that serves as an enticement
   同義詞：bait, come-on, hook, lure, sweetener
2. qualities that attract by seeming to promise some kind of reward
   同義詞：lure, enticement, come-on

動詞 come on:

1. appear or become visible; make a showing
   同義詞：come out, turn up, surface, show up
2. move towards
   同義詞：approach, near, go up, draw near, draw close, come near
3. develop in a positive way
   同義詞：progress, come along, advance, get on, get along, shape up
4. start running, functioning, or operating
   同義詞：go on, come up
5. occur or become available

1. It's getting colder: winter is coming on.
   天漸冷了，冬天來了。
2. I think I have a cold coming on.
   我看我要感冒了。
3. His French has come on a lot since he joined the conversation class.
   他自從參加了會話班，法語取得了很大進步。