He must use them sparingly or risk losing legitimacy .

他必须谨慎地行使权力，否则可能失去政权。

Use sparingly , and avoid such unexplained claims asthis important house , the most important painter of the 20th century .

谨慎地使用它，避免以下解释不清的状况：这间很重要的房子，这名20世纪很重要的画家

It also suggested eating fats ' sparingly , ' which nutritional experts said ignored the benefits of foods with healthier forms of fat .

它还建议人们“保守地”食用脂肪，而营养学专家说，这种建议忽视了拥有更健康脂肪类型的食品所具备的好处。