1 to have sth to do with

2 to relate to

3 related to

4 to concern

5 concerning

1 to remain silent

2 to have nothing to say

3 (coll.) speechless

4 dumbfounded

1 unrelated

2 having nothing to do (with sth else)

1 related

2 relevant

3 pertinent

4 to be interrelated

5 (statistics) correlation

1 Cantonese language

1 one man can hold the pass against ten thousand enemies (idiom)

1 lit. one arrow, two golden eagles (idiom)

2 to kill two birds with one stone

1 to not say a word (idiom)

1 to hit the mark with a comment (idiom)

2 to say sth spot on

1 (idiom) to have one's words turn out to be (tragically) prophetic