to lose courage and become too afraid to do something
勇気を失い、何かをするのに怖くなる (yūki o ushinai, nanika o suru no ni kowakunaru)
"He wanted to jump, but he lost his nerve at the last second."
"彼はジャンプしたかったが、最後の瞬間に怖くなった。" (kare wa janpu shitakatta ga, saigo no shunkan ni kowakunatta.)
to start having doubts about a decision you have made
to prepare to work hard or take on a challenge
The most valuable things take time and effort to achieve.
direct personal interaction rather than virtual communicatio...
To have many roles or responsibilities.
testifying as a witness in court