How to say with a little more care, he wouldn't have failed. in Japanese
1)
もっともっと(motto) (adv) more/even more/longer/further注意注意(chuui) (n,vs) caution/being careful/attention/warning/adviceしし(shi) (num) 10^24/septillion/quadrillionていたらno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb、、(、) Japanese comma彼彼(kare) (ok) that , or something understood without naming it directly)/that person/over there/hey/eh?/thatはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh失敗失敗(shippai) (n,adj-no,vs) failure/mistake/blunderし(num) 10^24/septillion/quadrillionていなかったろうno dictionary result, likely a conjigated verbにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.。。(。) Japanese period "."
