ticklers

n.	1. 〈口〉难事,难题 2. 〈美〉记事本,备忘录 3. 使感到痒[高兴]的人[物] 4. 〈美口〉小瓶;(威士忌酒等的)一杯 5. 【无线】屏极回授线圈;【机】初给器

n.	1. a single-entry journal in which obligations are entered chronologically 2. a difficult, delicate, or puzzling problem or situation