1. red-faced: xấu hổ/ đỏ mặt (because "faced" is in by red)

2. first aid: sơ cứu (the arrow points to the first "aid" of three "aid")

3. tricycle: xe ba bánh (because there are 3 words "cycle" means "xe đạp")

4. adverb: trạng từ ("+" in English as "add" and "verb" put after it => "adverb")

5. I understand: tôi hiểu (there is a line "under" the word "stand" => "understand" and there is letter "I" means "tôi")

6. wake up: thức dậy (when we reoder the letters, we have "wake", after "wake" is always "up")