benign

老师的目光总是那么和善，让学生们感到安心。

The teacher's ___benign gaze always made students feel at ease.

医生告诉我们这个肿块是良性的，不需要手术。

The doctor told us the lump was ___benign and didn't require surgery.

地中海温暖宜人的气候使这个海滨村庄成为全年的退休养老天堂。

The ___benign Mediterranean climate made the coastal village a retirement paradise year-round.