welsh
/welʃ/(亦作welch)
verb
no obj.(welsh on)
- fail to honour (a debt or obligation incurred through a promise or agreement)未能遵守（诺言）; 未能偿还（债务）; 逃避履行（义务）：
banks began welshing on their agreement not to convert dollar reserves into gold.
银行开始拒绝履行不把美元兑换成黄金的协议。
派生词
welsher
noun词源
mid 19th cent.: of unknown origin.