The manager warned that willful disregard of safety rules would lead to immediate dismissal.

經理警告，故意無視安全規定將會被立即解僱。

Our new intern is talented but willful, often ignoring instructions from senior staff.

我們的新實習生很有才華但很任性，常常不理會資深同事的指示。

The contract can be terminated if either party commits a willful breach of its terms.

若任一方蓄意違反合約條款，該合約即可被終止。