1 really

2 truly

3 indeed

4 real

5 true

6 genuine

1 sincere

2 heartfelt

3 classifier: 片 piàn

1 genuine

2 real

3 true

4 genuinely

1 one-off (offer)

2 one-time

3 single-use

4 disposable (goods)

1 neutral

1 to cultivate the heart and nurture the character (idiom); to improve oneself by meditation

1 absolutely true (idiom)

2 manifold

3 true from many points of view

1 (idiom) half true and half false

1 the palest ink is better than the best memory (idiom)

1 pretense that turns into reality (idiom); to play at make-believe, but accidentally make it true