I'm baffled why she hasn't called.

我不明白她为什么没打电话。

Her disappearance has baffled police.

她的失踪令警方大为困惑。

I'm baffled as to why she hasn't called.

我不明白她为什么没打电话。

For years this anomalous behaviour has baffled scientists.

多年来，这种反常的行为使科学家们感到困惑。

Medical authorities were baffled, both as to its causes and its virulence.

医疗当局对其病因及有多致命都还不怎么了解。