изматывать означает в английский

wear down▼(to cause physical or mental fatigue)
verb
[UK: weə(r) daʊn] [US: ˈwer ˈdaʊn]

wear out▼(to exhaust; to cause or contribute to another's exhaustion, fatigue, or weariness)
verb
[UK: weə(r) ˈaʊt] [US: ˈwer ˈaʊt]