1. Their hesitation was momentary.
    他们的犹豫是暂时的。

2. He accepted the invitation without hesitation.
    他毫不犹豫地接受了邀请。

3. My hand held his elbow to steer him, but he stepped forward with no sign of hesitation or stoop, his shoulders squared, his head high, as though he were guiding me.
    我用手搀着他的肘部给他领路，但他昂首挺胸地前行，没有丝毫的犹豫或屈从，好像是他在给我带路。