He was a reliable , unambitious officer who did as he was told .

他是一个可靠的无欲无求的军官，唯命是从。

This was not by any means a daring expedition into the outback , it was a very unambitious exploration .

这绝不是什么冒险深入内地的远征，只是一次平淡无奇的探险而已。

Should he have been a plain , unambitious man ?

他本该做一个平平凡凡、胸无大志的人么？

And the thieves are not always unambitious amateurs .

但小偷们不总是这么胸无大志，手法业余。

My husband is an unambitious , repulsive fool .

我的丈夫是个平庸的，令人厌恶的傻瓜。