`1,` The statement boils down to making the public aware of the present situation

- boil down to + V-ing: nhằm mục đích làm gì

`2,` It’s of no concern to us what they do after lessons

- It is + (not) + one's concern + .....

= It is of + (no) concern to sb + .....

-> Không phải việc của....

`3,`  It was such his disgust at the way she behaved that he refused to speak to her

- S + be + so + adj + that + S + V

= S + be + such + (a/an) + adj + N + that + S + V

`4,` None of the passengers of the jumbo jet survived the crash

- survive (v) sống sót `><` killed (adj): bị giết

- None of + N: không một

`5,` It is too amazing a trip for us to ever forget

- It is + too + adj + (for sb) + to V