1 (located) at

2 (to be) in

3 to exist

4 in the middle of doing sth

5 (indicating an action in progress)

1 heart

2 mind

3 intention

4 center

5 core

6 classifier: 颗 kē

7 classifier: 个 gè

1 mood

2 frame of mind

3 classifier: 个 gè

1 now

2 at present

3 at the moment

4 modern

5 current

6 nowadays

1 to feel happy

2 to rejoice

3 to have a great time

4 to make fun of sb

1 a single slip may cause everlasting sorrow (idiom)

1 the whole year must be planned for in the spring (idiom)

2 early planning is the key to success

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 make your day's plan early in the morning (idiom)

2 early morning is the golden time of the day