willy-nilly
/ˈwɪlɪˈnɪlɪ/adverb
1
- whether one likes it or not不管愿不愿意, 无可奈何地：
he would be forced to collaborate willy-nilly.
无论是否愿意, 他都将被迫合作。
2
- without direction or planning; haphazardly乱糟糟地, 杂乱地; 无计划地; 随意地：
politicians expanded spending programmes willy-nilly.
政客们随意地扩大开支项目。
词源
early 17th cent.: later spelling of will I, nill I 'I am willing， I am unwilling'.