1 low pitch

2 quiet (voice)

3 subdued

4 low-key

5 low-profile

1 suitable

2 fitting

3 appropriate

1 to emphasize (a statement)

2 to stress

1 air conditioning

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

3 classifier: 台 tái

1 cozy

2 snug

1 to cut the feet to fit the shoes (idiom); to force sth to fit (as to a Procrustean bed)

2 impractical or inelegant solution

1 to sing the high part

2 to speak fine sounding but empty words (idiom)

1 monotonous

2 dull

3 tedious (idiom)

1 leisurely and free (idiom)

2 carefree and at ease

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