C1 adjective /ˈtʃɛkərd/
chequered
チェッカード
Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
彼は大きな成功と失敗を経験したチェッカードなキャリアを持っていた。