to find an answer or solution by logical thinking
論理的思考で答えや解決策を見つける (ronriteki shikou de kotae ya kaiketsusaku o mitsukeru)
"She tried to reason out the cause of the confusion."
"彼女は混乱の原因を理論的に考えようとした。" (Kanojo wa konran no gen'in o **rironteki ni kangae**you to shita.)
to originate or come from something
to contribute ideas or suggestions in teamwork
to trust or depend on someone or something
to start singing suddenly out of happiness
to feel or show great joy or delight in something
to remain connected or continue working
