[一下, yī xiàㄧ ㄒㄧㄚˋ] (used after a verb) give it a go; to do (sth for a bit to give it a try); one time; once; in a while; all of a sudden; all at once#329
[下来 / 下來, xià laiㄒㄧㄚˋ ㄌㄞ˙] to come down; (after verb of motion, indicates motion down and towards us, also fig.); (indicates continuation from the past towards us); to be harvested (of crops); to be over (of a period of time); to go among the masses (said of leaders)#975
[かくけい;かっけい, kakukei ; kakkei] (n) (1) (N)-cornered polygon, incl. triangle; (2) (esp. かくけい) Japanese rectangular envelope (opening on the short dimension; numbered 0-8, A3, A4, each with different sizes)#18775