- 形容词- （谨慎; 小心）careful; cautious; circumspect:
bear in mind;谨记在心
strictly adhere to the rules;谨守规则- （郑重; 恭敬） solemn; sincere; respectful:
thank you earnestly; please accept my sincere thanks;谨致谢意
Formerly cautious to the point of being uncommunicative, my companions had changed out of recognition.
`Cautious' is a description that certainly fits the new president like a glove.
She is cautious of telling secrets.
He is cautious in his choice of words.