câu 1:we didn't go fishing because the sea was rough
=> We did not go fishing because of the rough sea.
câu 2:she was annoyed because her husband behaved badly
=> She was annoyed because of her husband's bad behavior.
câu 3:I need to lose waight because I am obese( Obese: béo đến mức đáng báo động)
=> I need to lose weight because of my obesity.
câu 4:he is tired because of stayding up late last night
=> He is tired because he stayed up late last night.
câu 5:she never gets success because she is impatient
=> She never gets success because of her impatience.
câu 6: because of my stuffy nose ,I can't breath
=> Because I have a stuffy nose, I cannot breath.