How to say "Trial" in Japanese

When translating "trial" into Japanese, you must choose carefully between 試練 and 試算. In Japanese, 試練 (しれん (shiren)) is typically associated with "trial, test, ordeal" (Syllabus Level: N2) and represents A difficult experience, challenge, or ordeal that tests one's character, strength, resilience, or ability. It often implies a process of growth or self-discovery, similar to a 'test of character'.. On the other hand, 試算 (しさん (shisan)) maps to "trial calculation; estimate; preliminary calculation" (Syllabus Level: N1) and represents Refers to a provisional calculation or estimate, often done to get an approximate figure before making a final decision or detailed plan. 最終的な決定の前に、概算や仮の計算をすることを指す。. A literal translation of "trial" can often sound unnatural to native Japanese speakers if mixed up!