The answer is ______ a. 挖空心思 Wā kōng xīn sī = to dig for thoughts (idiom); to search everything for an answer; to rack one's brains [menelusuri lebih dalam untuk mencari jawaban – kontemplasi kelubuk hati] b. 疾風勁草 Jí fēng jìng cǎo [疾風知勁草 - jí fēng zhī jìng cǎo] = the storm put strong grass to the test (idiom); fig. troubled times test a faithful minister; to show one's true colors after a stern test [dalam kesulitanlah jiwa sejati seseorang terlihat] c. 團結一致,力量無比強大 Tuán jié yí zhì, lì liàng wú bǐ qiáng dà = in cooperate, the power will be invincible [dalam kekompakan, kekuatan akan menjadi dasyat; bersatu atau kompak = Kekuatan] d. 舉世聞名 Jǔ shì wén míng = well known all over the world, world famous [terkenal disluruh dunia] e. 力挽狂瀾 Lì wǎn kuáng lán = to pull strongly against a crazy tide (idiom); fig. to partially redeem the dangerous situation or try best to save a desperate crisis [berusaha keras untuk lepas dari situasi genting atau buruk] f. 舉棋不定 Jǔ qí bù dìn...