undependable难: catastrophe; calamity; disas ...空口难凭: an oral promise is not enough难评价弱异常: hard-to-evaluate spot anomalies难平息的: inappeasable难破: nanba; naniwa; nanwa; nawa下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:难凭,即可在微信中查询翻译