Correct

试工

/ shìgōng /
Strokes

Definition

to work for a trial period/worker on probation

Example

As a Verb

(of a worker/servant) be hired or engaged on a probational basis; be on probation

1
Shì
gōngbànnián
工半年

be on a six-month probation

2
Tōngguò
通过
shìgōng
试工

pass one's probation