1 to understand

2 to realize

3 to find out

1 surname Li

1 power

2 force

3 strength

1 great effort

2 to strive

3 to try hard

1 motive power

2 force

3 (fig.) motivation

4 impetus

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

2 dilettante

3 amateur

1 to be impervious to reason (idiom)

2 unreasonable

1 not understanding things (idiom); devoid of sense

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 completely ignore (idiom)

2 to pay no attention to

3 not to be in the least concerned about