timing
n [U]
(a) determining or regulating the time when an action or event occurs 定時; 調整時間
[attrib 作定語]
a `timing device 定時裝置
The timing of the announcement was rather unexpected. 選擇那個時間公布, 真出人意料.
valve timing, ie the time at which valves in a motor engine open and close 閥定時.
(b) skill in this, as a way of achieving the desired result 時間的選擇; 時機的掌握
He's not playing his shots well his timing is faulty. 他沒打好--時間掌握不當.
A good actor must learn the art of timing, ie when to deliver a line most effectively. 要想當個好演員就要學會掌握道白的時間分寸.