医生建议他在服用新药时要格外小心。

The doctor advised him to be ___cautious when taking the new medication.

她对陌生人总是保持谨慎的态度。

She always maintains a ___cautious attitude towards strangers.

她在表达不同意见时总是很谨慎，以免冒犯他人。

She is always ___cautious when expressing disagreement to avoid offending others.