Question

日语：思い切り有不知不觉的，没查到有这种意思啊，但好多次在动画里看到了

Answer 1

「思い切り」：断念、死心、下狠心、狠狠的、痛快、尽情···
是表达内心的急迫、痛快、爽朗的效果。

比如:明日は休みだから、思い切り游ぼう
要是明天休息的话,我一定痛痛快快地玩!

你说的不知不觉应该是：知らず知らずのうちに

「思い切り」好像没有不知不觉的意思...

Answer 2

おもいきり 思い切り
1 〈思う存分〉 to one's heart's content; 〈力一杯〉 to the best of one's ability [power]; 《fml》 with all one's might
思い切りボールを叩く hit the ball as forcefully as one can
思い切り夕べを楽しむ enjoy the evening to one's heart's content
思い切り食べる eat as much (food) as one pleases
思い切り頬(ほほ)をひっぱたかれる get a hard [good] slap on the cheek
思い切り勉强してみる try to work as laboriously as possible.

2 〈あきらめ〉 《fml》 resignation; 〈决心〉 decisiveness; 〈期待感の放弃〉 resignation; 〈黙従〉 acquiescence; acceptance
思い切りがいい be decisive; be quick to make decisions; 《fml》 be prompt in decision
思い切りが悪い be indecisive; 《口语》 shilly‐shally; 《fml》 lack decisiveness
思い切りよく decisively; 《fml》 with decision; with (a) good grace
思い切りが早い[遅い] slow [quick] to be resigned [give up].

Answer 3

思いっきり～～～=①干脆～～～。
②来歌畅快。

(思い切って)

Answer 4

你说的可能是【思わず知らず】＝不知不觉地；无意之中
或者是【思わず】＝不由得；不自觉的；不禁

Answer 5

日文 英语 解释 高手啊