加紧

加紧	jiā jǐn	to intensify / to speed up / to step up
加	Jiā	Canada (abbr. for 加拿大) / surname Jia
加	jiā	to add / (math.) plus / to increase; to augment / (used before a disyllabic verb, often after an adverb like 不, 大, 稍 etc, to indicate that the action applies to sth previously mentioned, as in 稍加改良 "make some minor improvements to (it)")
紧	jǐn	tight / strict / close at hand / near / urgent / tense / hard up / short of money / to tighten