nothings

He had two letters of refusal but, nothing daunted (= not discouraged), he tried again.

他收到两封拒绝信后并没有气馁，而是再接再厉。

He's a nothing, a low-down, useless nobody.

他是个微不足道的小人物，身份低微，一无是处。

She sleeps with nothing on.

她裸睡。