n. 滴答声, 突突声

Ticktack \Tick"tack`\, n. [See {Tick} to beat, to pat, and (for
sense 2) cf. {Tricktrack}.]
1. A noise like that made by a clock or a watch.

2. A kind of backgammon played both with men and pegs;
tricktrack.

A game at ticktack with words. --Milton.


Ticktack \Tick"tack`\, adv.
With a ticking noise, like that of a watch.