diagnose / 'daɪəɡnəʊz /vt. 诊断；断定determine or distinguish the nature of a problem or an illness through a diagnostic analysis
例句：
How did they diagnose you?
他们怎么给你诊断的？
whirl/wɜːl/vt. 使旋转；卷走，飞快地带走
cause to spin
例句：
To free electrons, something has to make them whirl fast enough to break away from their nuclei.
为了释放电子，必须使电子高速旋转而足以摆脱原子核的束缚。
frustrate/ frʌ'streɪt /vt. 挫败；阻挠；使感到灰心
treat cruelly
例句：
Otherwise you'll just frustrate yourself.
否则你会很挫败。
