imperf
imperf — 縮寫
1. a shortened written form of 'imperfect', used in notes, tables, and catalogs to
不完美（縮）
imperfect 的書面縮寫
a shortened written form of 'imperfect', used in notes, tables, and catalogs to show that something is not fully complete or has some faults.
The editor marked two paragraphs imperf. and asked for a cleaner revision.
編輯把兩段標成 imperf.，並要求再修得更完整。
written abbreviation in editing notes
In the grammar chart, the old Catalan form was labeled imperf.
在文法表裡，那個古加泰隆尼亞語形式被標為 imperf.。
label used in a reference table
The auction catalog described the silver box as imperf. near the hinge.
拍賣目錄把那只銀盒描述為 imperf.，表示合頁附近有瑕疵。
A note beside the sketch read imperf., so the curator kept it off display.
素描旁的註記寫著 imperf.，所以館員沒有把它拿去展出。
- imperfect
the full form, used in normal writing and speech
文法句型
be marked imperf. in notes
be labeled imperf. in grammar tables
describe something as imperf. in catalogs
用法筆記
Mainly seen in reference works, margin notes, or catalog descriptions. In ordinary prose and speech, people normally use the full word 'imperfect' instead.
常見錯誤
2. a shortened written form of 'imperforate', used in specialist labels and descrip
無孔（縮）
imperforate 的書面縮寫
a shortened written form of 'imperforate', used in specialist labels and descriptions to show that something has no hole, opening, or perforated edge.
The dealer listed the 1890 stamp as imperf., so its edges were smooth.
那位經銷商把這張 1890 年郵票列為 imperf.，所以它的邊緣很平滑。
stamp-catalog label for no perforated edge
The shell label read imperf., telling visitors the shell had no opening.
貝殼標籤上寫著 imperf.，告訴參觀者這個貝殼沒有開口。
specimen label showing no opening
In the botany guide, the leaf margin was marked imperf. for identification.
在植物圖鑑裡，葉緣被標成 imperf.，方便辨認。
The specimen tag marked the tube imperf., so one end stayed closed.
標本吊牌把那根管子標為 imperf.，表示其中一端仍然封閉。
- imperforate
the full form, preferred outside specialist shorthand
文法句型
be listed as imperf. in stamp catalogs
be marked imperf. on specimen labels
read imperf. in technical descriptions
用法筆記
Usually appears in technical contexts such as stamp catalogs, specimen cards, or specialist descriptions. Outside those settings, the full word 'imperforate' is clearer.