请把莫名其妙翻译成英文.!谢谢大家老.!

be baffled /be inexplicable
question mark
silence

without rhyme or reason
His behaviour is without rhyme or reason.
他的行为莫名其妙。
问号
question mark

寂静
silence名词
silente形容词
silently副词

莫名其妙
without any reason

问号
question mark

寂静
silence

it doesn't makt sense

without any reason
question mark
silence

can't say out its uniqueness.
question mark
stillness