试用期

trial period / probationary period

to test / to try / experiment / examination / test

to try sth out / to be on probation

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

variant of 期[qi1] / period / cycle

a period of time / phase / stage / classifier for issues of a periodical, courses of study / time / term / period / to hope / Taiwan pr. [qi2]