timber n. 木材，木料
The firm's for the supply of timber has been accepted.
例句：那家商号的供应木材投标已被接受。

timely adj. 及时的，适时的
Had it not been for your timely help, our company would have been on the verge of bankruptcy.
例句：若非你及时伸出援助之手，本公司将会濒临破产的边缘。

punctual adj. 严守时刻的，准时的
Henceforth I expect you to be punctual for meetings.
例句：我希望你今后准时到会。

prompt adj. 立即的，迅速的，即时的
A prompt answer here was imperative or our losses would soon become unbearable.
例句：我们急需一个解决办法，否则，要不了多久，损失就无法承受了。

timid adj. 胆小，羞恸
She does not like her job, but is too timid to try to find another.
例句：她不喜欢自己的工作，但胆子太小，不敢尝试另找工作。