ついやす
Verb, Transitive
1.
to spend, to expend, to consume
2.
to waste, to squander, to throw away
3.
to devote
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このプロジェクトには多大な労力を費やす必要がある。
This project requires expending a great deal of effort.
週末は家族と過ごす時間に費やすことが多い。
I often spend weekends on time with my family.
無駄な会議に貴重な時間を費やすのは避けたい。
I want to avoid wasting valuable time on unproductive meetings.
彼は研究に生涯を費やし、その分野で多大な貢献をした。
He devoted his life to research and made significant contributions in that field.
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