1 to grieve

2 to be broken-hearted

3 to feel deeply hurt

1 heart

2 innermost being

3 (math.) incenter

1 to add oil

2 to top up with gas

3 to refuel

4 to accelerate

5 to step on the gas

6 (fig.) to make an extra effort

7 to cheer sb on

1 to be careful

2 to take care

1 heart

2 mind

3 intention

4 center

5 core

6 classifier: 颗 kē

7 classifier: 个 gè

1 of one heart and one mind (idiom)

1 to do two things at once (idiom)

2 to multitask

3 to divide one's attention

1 to set one's heart on sth (idiom)

1 in two minds about sth (idiom)

2 half-hearted

3 shilly-shallying

1 lit. not to stop until one reaches the Yellow River (idiom)

2 fig. to persevere until one reaches one's goal

3 to keep going while some hope is left