无原则的迁就对他有害: unprincipled accommodation will do harm to him
过于: too; unduly; excessively 短语和例子过于劳累 overtired; 过于迁就 too accommodating; too ready to compromise; 过于谨慎 overly scrupulous; 过于小心 too careful; 过于紧张 too nervous; 过于严厉 too strict; too severe; 过于慷慨