feel free to 英[fi:l fri: tu:] 美[fil fri tu] [词典] 随意; 尽管; [例句]If you have any questions at all, please feel free to ask me.如果有任何问题,请随意提问。not hesitate to 英[nɔt ˈheziteit tu:] 美[nɑt ˈhɛzɪˌtet tu] [词典] 只管;尽管; [例句]I will not hesitate to take unpopular decisions.我会毫不犹豫地作出并不受欢迎的决定。