1、serious

嚴重的;危急的;令人擔憂的

Crime is an increasingly serious problem in Russian society.

犯罪猖獗是俄羅斯社會面臨的一個日益嚴重的問題。

The government still face very serious difficulties.

政府仍然面臨著非常嚴峻的困難。

重要的;需要認真考慮的;嚴肅的

I regard this as a serious matter.

我認為這件事很重要。

Don't laugh boy. This is serious.

小伙子，別笑，這很嚴肅。

認真的;鄭重的;嚴肅的

My parents never really faced up to my drug use in any serious way.

我父母從未認真地正視過我的吸毒問題。

It was a question which deserved serious consideration.

這是一個值得認真考慮的問題。

2、come on

(表示鼓勵)來吧

Come on Doreen, let's dance.

來吧，多琳，我們跳舞吧。

得了吧;算了吧

'Have you said all this to the police?' — 'Aw, come on!'.

“你是不是把這些都告訴警方了？”“呀，怎么會呢！”

Come on, Sue, that was two years ago.

得了吧，休，那是兩年前。

進展;進步

Lee is coming on very well now and it's a matter of deciding how to fit him into the team.

李現在進步很大，問題是如何在隊里給他找一個合適的位置。

The knee's coming on fine, I'm walking comfortably already.

膝蓋恢復得很好，我現在走路已經不疼了。