deferential

在正式晚宴上，年轻宾客对长辈们表现得十分恭敬。

At the formal dinner, the young guests were quite ___deferential to their elders.

她以顺从的语气向经理提出了自己的建议。

She offered her suggestion to the manager in a ___deferential tone.

学生对这位资深教授总是表现出恭敬的态度。

The student always shows a ___deferential attitude toward the senior professor.