自作主张的 meaning in Chinese

self-assertive
thrusting

I took the liberty of removing it on the way upstairs
我在上来的路上就自作主张的把它摘掉了
Simon gave up suicide finally , but leo was again tormented by sorrow and solitude . his manager peter booked a flight for him and asked him to have a vacation , but he refused
经纪人peter看leo这样郁郁寡欢，自作主张的为leo订好了机票要让他去渡假，但leo却说什么都不愿意。