她今天迟到了，难怪她没有赶上会议。
tā jīntiān chídào le ， nánguài tā méiyǒu gǎnshàng huìyì 。
She was late today, no wonder she missed the meeting.
这个问题很复杂，难怪大家都觉得难。
zhègè wèntí hěn fùzá ， nánguài dàjiā dū juéde nán 。
This problem is very complex, no wonder everyone thinks it's difficult.
他最近很忙，难怪没有时间见我。
tā zuìjìn hěn máng ， nánguài méiyǒu shíjiān jiàn wǒ 。
He has been very busy lately, no wonder he doesn't have time to see me.