1 low pitch

2 quiet (voice)

3 subdued

4 low-key

5 low-profile

1 to emphasize (a statement)

2 to stress

1 sentiment

2 tone and mood

3 taste

1 to resist

2 to obstruct

3 to hinder

4 to keep off

5 to block (a blow)

6 to get in the way of

7 cover

8 gear (e.g. in a car's transmission)

1 air conditioning

2 air conditioner (including units that have a heating mode)

3 classifier: 台 tái

1 counter soldiers with arms, water with an earth weir (idiom); different situations call for different action

2 to adopt measures appropriate to the actual situation

1 to sing the high part

2 to speak fine sounding but empty words (idiom)

1 monotonous

2 dull

3 tedious (idiom)

1 to speak with a foreign accent or using words from a foreign language (usually derogatory) (idiom)

1 to play the same old tune (idiom); unoriginal