用作定语
▲～+n.
He made frantic dash for the departing train.他发疯似地冲向正开出的火车。
I've had a frantic rush to get my work done.我急急忙忙地赶完工作。
用作表语
▲S+be+～
The mother was frantic when she heard that her child was missing.母亲听说自己的孩子不见时,急得快要发疯了。
▲S+be+～+prep.-phrase
He was frantic with joy.他高兴得发狂。
The woman was frantic with grief.那妇人悲痛欲绝。
用作宾语补足语
▲S+V+O+～
That noise is driving me frantic.那种噪音把我吵得快要发狂了。