straight arrow

 老實(shí)人

?含義：

a very conventional, honest and ethical person who lacks flexibility.

傳統(tǒng)、誠實(shí)、講道德，不懂變通的人。

?例句：

He was often mocked by his peers for being a straight arrow who always followed the rules.

他經(jīng)常被他的同事嘲笑，說他是一個(gè)老頑固，因?yàn)樗偸茄?guī)蹈矩。

?對(duì)話：

A: You are really such a person who always stay out of trouble.

你真是一個(gè)不愛惹是生非的人。

B: You're right. I was very much a product of my environment. I was very traditional, a real straight arrow in lots of ways.

是的，我受環(huán)境影響很大，很多方面我其實(shí)很保守傳統(tǒng)的。

?額外收獲： 

1.stay out of trouble：不惹是生非

2.in lots of ways: 在很多方面

3.mock: vt.嘲笑

4.follow the rules: 循規(guī)蹈矩