"Her former friends now avoid her"
"Let's avoid a confrontation"
"head off a confrontation"
"avert a strike"
"She refrains from calling her therapist too often"
"He should avoid publishing his wife's memories"
"I keep off drugs"
"During Ramadan, Muslims avoid tobacco during the day"
"The contract was annulled"
"void a plea"
You had better avoid reading in the train.
句中的reading不可改成to read。
I avoided meeting him, but somehow bumped against him.
句中我企图避免见他,却还是撞上了,不可单用avoid,需把avoided改成tried to avoid。