Put a strain on

• Made great demands on
• Made to pay a levy
• Levied
• Like most income
• Like income, generally
• Took a cut from, for Uncle Sam
• Like much revenue
• Under a strain
• Under stress

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Tax \Tax\ (t[a^]ks), v. t. [imp. & p. p. Taxed ; p. pr. & vb. n. Taxing .] [Cf. F. taxer. See Tax , n.] To subject to the payment of a tax or taxes; to impose a tax upon; to lay a burden upon; especially, to exact money from for the support of government. ...