工夫

I've put a lot of work in improving my English.

我下了很大的夫进修英文。

In a blink of an eye he had disappeared.

一眨眼的夫他就没影了。

Gardening takes more bother than it's worth.

种花是很费夫的, 真不值得。

As expected good knife law, be not worth meal time, "Corn " by disroot, do not have big painful.

果然好刀法，不足一顿饭夫，“鸡眼”便被连根拔除，并无大痛。

While the computer took a few seconds to convert and decode the burst of decaying tachyons, the Consul poured himself a glass of Scotch.

计机得花几秒钟转换并解密超光速粒子脉冲信号，趁着这片刻夫，领事给自己倒了杯苏格兰威士忌。