fill out：1.〈主美〉填寫(表格等) Please fill out the attached blank.請把附表填好。2.(通常指因充氣)鼓起〔膨脹〕；擴張 The sails filled out and the boat floated away.帆張滿後船漂走了。3.長胖，長肥 He"d filled out a lot since I"d last seen him.自從我上次見到他以來, 他又長胖了好多。Better health had filled her face out a little.她身體更健康, 臉蛋發胖。4.充實; 增補 The manuscript might be usable if the author could fill it out a little.如果作者稍加充實, 原稿就有用。fill in：1.填平, 填滿 The workmen dug a hole, mended the pipe, and then filled the hole in again.工人們挖了個洞, 修補好管道, 然後又把洞填平。He helped us to fill in a big gap in our knowledge.他幫我們填滿知識上的空白。The ruts must be filled in so that traffic can pass.車輪壓出的轍跡必須填平, 以便行人和車輛通行。2.填(寫) Many people find it difficult to fill in a form.許多人發現表格填寫困難。3.度過(時光) The plane takes off in the evening.How can I fill in the time between?飛機要等到晚上才起飛。我怎麼打發這段時間呢?4.使(某人)熟悉, 向(某人)提供訊息等 Please fill me in on your future plan.請詳細談談你今後的打算。5.代替; 暫時補缺 He was called on to fill in in an emergency.他是在緊急情況下被召去臨時補缺的。I"ll find someone to fill in for you.我去找個人來頂替你。His medical skill is so superb that he can hardly be filled in for in an emergency.他醫術高超, 在緊急情況下很難被代替。6.淤塞 The harbor gradually filled in.港口漸漸淤塞了。7.填補 He fills in a sketch with shadow.他在畫稿上添襯上陰影。
fill out：1.〈主美〉填寫(表格等) Please fill out the attached blank.請把附表填好。2.(通常指因充氣)鼓起〔膨脹〕；擴張 The sails filled out and the boat floated away.帆張滿後船漂走了。3.長胖，長肥 He"d filled out a lot since I"d last seen him.自從我上次見到他以來, 他又長胖了好多。Better health had filled her face out a little.她身體更健康, 臉蛋發胖。4.充實; 增補 The manuscript might be usable if the author could fill it out a little.如果作者稍加充實, 原稿就有用。fill in：1.填平, 填滿 The workmen dug a hole, mended the pipe, and then filled the hole in again.工人們挖了個洞, 修補好管道, 然後又把洞填平。He helped us to fill in a big gap in our knowledge.他幫我們填滿知識上的空白。The ruts must be filled in so that traffic can pass.車輪壓出的轍跡必須填平, 以便行人和車輛通行。2.填(寫) Many people find it difficult to fill in a form.許多人發現表格填寫困難。3.度過(時光) The plane takes off in the evening.How can I fill in the time between?飛機要等到晚上才起飛。我怎麼打發這段時間呢?4.使(某人)熟悉, 向(某人)提供訊息等 Please fill me in on your future plan.請詳細談談你今後的打算。5.代替; 暫時補缺 He was called on to fill in in an emergency.他是在緊急情況下被召去臨時補缺的。I"ll find someone to fill in for you.我去找個人來頂替你。His medical skill is so superb that he can hardly be filled in for in an emergency.他醫術高超, 在緊急情況下很難被代替。6.淤塞 The harbor gradually filled in.港口漸漸淤塞了。7.填補 He fills in a sketch with shadow.他在畫稿上添襯上陰影。