他对那计画赞不绝口。 He was lavish with his praise for/lavish in praising the project.
她对于他的这种新印象，由于达西家一个老家仆的证明而又得到加深，这老家仆对达西赞不绝口。 Her new impression of him is strengthened by the evidence of an old Darcy family retainer who has nothing but good to say of Darcy.
