这个家庭的生活被个人的悲剧所影响。

The family's life was touched by personal ___tragedy.

当悲剧降临时，他们的儿子在一次事故中丧生。

When ___tragedy struck, their son was killed in an accident.

不负责任的司机常常导致这样的悲剧。

Irresponsible drivers often cause such ___tragedies.