Explanation: Like learning, indefatigable. Usage: Supplemental; as subject, predicate; with commendatory Source: Western Han Dynasty "Historical Chu family": "I wengong Xi, the son of Ji Fox quarter also, there are pets in the offer public, and diligence." Examples: Su Liu intention of guiding the parent, often with servant husband and domestic, and ~. ★ Sung Wong unexpectedly "Yu Lin and Literature"