威勢の良い

いせいのよい

high-spirited, cheerful, assertive, vigorous

勢威

せいい

force, power, influence

威勢

いせい

power, might, authority

威勢がいい

いせいがいい

vigorous, cheerful, assertive

威勢が良い

いせいがよい

vigorous, cheerful, assertive

威勢よく

いせいよく

with energy, vigorously, cheerfully, assertively, lustily

勢い

いきおい

force, vigor, vigour, energy, spirit, life

騎虎の勢い

きこのいきおい

having no choice but to carry on, having no choice but to go on, unable to change one's course of action, a man riding a tiger cannot disembark halfway through

自然の勢い

しぜんのいきおい

force of circumstances

怒涛の勢い

どとうのいきおい

with great vigour; in leaps and bounds; with the force of surging waves

怒濤の勢い

どとうのいきおい

with great vigour, in leaps and bounds, with the force of surging waves

破竹の勢い

はちくのいきおい

with great vigour (from the way splitting bamboo goes all down the stick)

勢揃い

せいぞろい

array, muster, line-up, full force

威

い

power, authority, might, influence, dignity, majesty

敵の勢

てきのぜい

enemys strength (forces)

勢い込む

いきおいこむ

to brace oneself

勢い付く

いきおいづく

to gather strength, to take heart

勢い余る

いきおいあまる

to have excess momentum (from going too fast, using too much force, etc.)

勢いづく

to gain strength; to gather momentum; to be encouraged; to be heartened; to be invigorated; to take heart; to cheer up