wary

be, feel, look, seem

become, get, grow

remain

make sb

After he cancelled twice without explaining, I became wary of trusting his promises.

decidedly, deeply, extremely, very

increasingly

a bit, a little, rather, slightly

instinctively

suddenly

The dog became suddenly wary when it heard the unfamiliar noise outside.

about

She felt wary about accepting the job offer because the company had a poor reputation.

of

She was wary of the stranger who approached her at the train station.

keep a wary eye on sb/sth

Parents should keep a wary eye on their children's social media activity.