（4）一九三五年加拿大工人阶级爆发了空前规模的罢工斗争，白求恩走上街头参加战斗。火热的阶级斗争，使白求恩锻炼成为坚强的马列主义者。这年他光荣地参加了加拿大共产党。

(4) In 1935, an unprecedented strike movement broke out among the Canadian working class, and Bethune took to the streets to participate in the fight. The fiery class struggle honed Bethune into a staunch Marxist-Leninist. That year, he gloriously joined the Communist Party of Canada.