If you flatter your mother a bit she might invite us all to dinner.
你如果多奉承你母亲几句话,说不定她会把我们全部请去吃饭。
When sorrows come, they come not single spies, but in battalions.
祸不单行。
Marine Studio biologists have pointed out that, however intelligent they may be, it is probably a mistake to credit dolphins with any motive of lifesaving.