To go beyond acceptable or proper boundaries.
受け入れ可能または適切な境界を超えること (ukeire kanou mata wa tekisetsu na kyoukai wo koeru koto)
"The diplomat was criticized for crossing the line in his comments about the host country."
"その外交官は、ホスト国についてのコメントで一線を越えたとして批判されました。" (Sono gaikoukan wa, hosuto koku ni tsuite no komento de **issen wo koeta** to shite hihan saremashita.)
to take money from one part of something in order to pay for...
to start something quickly, especially a system
A true friend is invaluable and precious.
when one opportunity is lost, another appears
to explain something in a very clear and concise way
to compete strongly with someone; to challenge effectively
