1 to understand

2 to realize

3 to find out

1 to comprehend

2 to understand

3 comprehension

4 understanding

1 to lack

2 to be short of

3 lack

4 shortage

1 surname Xie

1 to liberate

2 to emancipate

3 liberation

4 refers to the Communists' victory over the Nationalists in 1949

5 classifier: 次 cì

1 lit. to know one and understand half (idiom); a smattering of knowledge

2 dilettante

3 amateur

1 lit. not requiring a detailed understanding (idiom); only looking for an overview

2 not bothered with the details

3 superficial

4 content with shallow understanding

1 to be nothing to write home about (idiom)

1 riders tired and horses weary (idiom)

2 worn out

3 exhausted

4 spent

5 fatigued

1 to be up to one's ears in work (idiom)

2 to be unable to attend to other things at the same time