He's still hesitating about joining the expedition.
他对于参加这次探险队仍犹豫不决。
hesitate about wh-to-vHe hesitated about what to do next.
他对下一步做什么犹豫不决。
I hesitated about whether to accept the invitation.
我对是否接受邀请犹豫不决。
We hesitated at the propriety of the method.
我们对这种办法是否适用拿不定主意。
He hesitated at nothing.
他对任何事都毫不犹豫。
They hesitate between fighting and submitting.
他们不能决定是战还是降。
She seems to hesitate to answer.
She seems to hesitate about answering.