• at the proper time, duly, in due course, in due time, in good time
• in the nick of time, pat
• given the proper conditions
• upon strict identification
• paper without sufficient body
• to hold the enemy in check, to keep the enemy in check
• given the proper conditions
• my warning had the desired effect
• smack, smack in the middle
• in the depth of sg, in the thick of sg
• slam jam in the middle of sg