がっちり (translations)→ definitely fold-back
きっちりと (translations)→ carefully closely
ぐいと (translations)→ convulsively sharply
しっかり (translations)→ certainly cleanly close completely duly fast firmly fully good indelibly much nice positively powerfully real right safely sharp soberly solid squarely tightly together well
しっかりと (translations)→ bravely determinedly fastly jealously permanently robust solidly
じっと (translations)→ absolutely becalmed courteously hard intently keenly long motionless motionlessly openly patiently pretty quietly silently simply sit solemnly square steadily steady still straight stricken thoughtfully through unwaveringly
つよい (translations)→ extraordinarily quick
どうしようもない (translations)→ awful bloody broken bushwah confoundedly desperate extremely fuckin’ great helpless hopeless howling nasty rotten sheer stick terrible total
ぴたりと (translations)→ abruptly dead directly entirely full perfectly suddenly
むずかしい (translations)→ advanced bad critically heavy important nervous poorly problematic quizzical thorny tough tricky
寒い (translations)→ arctic bitter cold freezing
急激に (translations)→ dramatically exponentially significantly
苦しい (translations)→ agonized agonizing agony choked hurt ordeal pain painful painfully sick sorrow stciky suffer suffering uncomfortable unpleasant worry