**challenging Perceptions:** Everything You Thought You Knew About What Is Trump's Iq Might Be Wrong. ? Unpacking The Speculation And Public Interest

Demanding 挑战性的，考验能力的；要求高的 challenging and rewarding employment 既有挑战性、报酬也不错的职业 the current challenging economic. Feel后面是加challenged还是challenging？我的英语老师说是feel challenged。例如：i quickly lower myself, ducking my head to avoid looking directly into his eyes so he doesn't.