expression, godan verb (-u)
wait for one's chance; wait for an opportunity
Used when someone is watching for the right moment to act, often with a nuance of patience or stealth.
彼は昇進の機会をうかがっている。
He is waiting for a chance to get promoted.
泥棒は留守になる機会を
The burglar was waiting for an opportunity when the house would be empty.