timber n. 木材，木料
The firm's for the supply of timber has been accepted.
例句：那家商號的供應木材投標已被接受。

timely adj. 及時的，適時的
Had it not been for your timely help, our company would have been on the verge of bankruptcy.
例句：若非你及時伸出援助之手，本公司將會瀕臨破產的邊緣。

punctual adj. 嚴守時刻的，準時的
Henceforth I expect you to be punctual for meetings.
例句：我希望你今后準時到會。

prompt adj. 立即的，迅速的，即時的
A prompt answer here was imperative or our losses would soon become unbearable.
例句：我們急需一個解決辦法，否則，要不了多久，損失就無法承受了。

timid adj. 膽小，羞慟
She does not like her job, but is too timid to try to find another.
例句：她不喜歡自己的工作，但膽子太小，不敢嘗試另找工作。