A very complex or unsolvable problem.
非常に複雑または解決不可能な問題。 (hijoni fukuzatsu matawa kaiketsu fukanona mondai)
"The issue of climate change is like a Gordian knot that needs bold action."
"気候変動の問題はゴルディアスの結び目のようなもので、大胆な行動が必要です。" (kikou hendou no mondai wa gorudiasu no musubime no yona mono de daitan na koudou ga hitsuyou desu)
exactly at the right moment
political activities that are considered dishonest or unethi...
old friends are precious and valuable
strong feeling of envy
to surprise someone with something unexpected
by chance; fortunately or unfortunately
