wary/ˈweərɪ; `wɛrɪ/ adj(-ier, -iest) ~ (of sb/sth) looking out for possible danger or difficulty; cautious （对可能发生的危险或困难）留意的, 小心的, 警惕的 keep a wary eye on sb 密切注意某人 She was wary of strangers. 她很警惕陌生人. be wary of giving offence 唯恐冒犯他人.
牛津英汉双解词典