telling

有效的；生动的；显著的英释中释adjhaving a great or important effect

命令；叙述；吐露真情英释中释nwhen you tell a story

告诉；讲述（tell的ing形式）；命令中释v

1 there is no telling,难以预料；很难说

1 a telling argument.有说服力的论点